SN4 ""

No	Pattern	Freq
1	[noun] had [adv] been [verb] for	76
2	[pron] had [adv] been [verb] for	58
3	[pers pn] had [adv] been [verb] for	39
4	[noun sg] had [adv] been [verb] for	37
5	[noun pl] had [adv] been [verb] for	24
6	it had [adv] been [verb] for	16
7	it had [adv] been [verb] for	16
8	[noun prp] had [adv] been [verb] for	14
9	[conj] had [adv] been [verb] for	12
10	who had [adv] been [verb] for	12
11	who had [adv] been [verb] for	12
12	he had [adv] been [verb] for	12
13	he had [adv] been [verb] for	12
14	[Wh pn] had [adv] been [verb] for	12
15	[Wh det] had [adv] been [verb] for	7
16	which had [adv] been [verb] for	6
17	which had [adv] been [verb] for	6
18	[that] had [adv] been [verb] for	5
19	they had [adv] been [verb] for	5
20	that had [adv] been [verb] for	5
21	that had [adv] been [verb] for	5
22	[coord] had [adv] been [verb] for	5
23	they had [adv] been [verb] for	5
24	had [adv] [adv] been [verb] for	10
25	had [adv] [adv] been [verb] for	6
26	had [adv] [adv] been [verb] for	8
27	had [adv] [adv] been [verb] for	6
28	had [adv] been [adv] [verb] for	7
29	had [adv] been [adv] [verb] for	7
30	had [adv] been [verb] [adv] for	18